CN2044194U - Seal device for thin flow layer plate filter - Google Patents
Seal device for thin flow layer plate filter Download PDFInfo
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- CN2044194U CN2044194U CN 89202188 CN89202188U CN2044194U CN 2044194 U CN2044194 U CN 2044194U CN 89202188 CN89202188 CN 89202188 CN 89202188 U CN89202188 U CN 89202188U CN 2044194 U CN2044194 U CN 2044194U
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- dividing plate
- filter
- seal
- negative
- positive
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Abstract
The utility model relates to the technique of the seal device of a filter, belonging to the membrane separation technique. The utility model adopts the seal device which is composed of a yin and yang screw thread sealing ring, an O type rubber sealing ring, the inlet and the outlet of the partition to solve the problem of the seal between the median septum and the membrane of the flat plate filter. Because having the advantages of reasonable structure, simple fabrication, easy assemblage, low cost and repeatable usage, the utility model can be used for various flat plate form filters of the industries such as chemical industry, medicine, foods, three wastes treatment, etc.
Description
The invention belongs to the seal arrangement technology of filter in the membrane separation technique.
At present, the dull and stereotyped filter of thin fluid layer has been widely used in the industries such as chemical industry, medicine, food, beverage, three wastes processing, be characterized in that structure is simple than other filter, every dividing plate can be taken a sample separately and be analyzed, film is changed easily, and device volume is little, and fluid flow velocity therein is fast, can overcome the concentration polarization of liquid, improve separating effect.The structural key of the dull and stereotyped filter of thin fluid layer is the sealing problem between film and dividing plate, dividing plate and the dividing plate, for example, if the sealing of dividing plate and film is bad, will cause stoste to see through film and penetrants is lumped together, the rejection of film is reduced, influence the separating effect of filter greatly.
Now, what abroad use is extrusion type sealed circle, used negative and positive seal ring is made by macromolecular material, the inner side surface at its two end part is processed into the conical surface, and the protrusion garden ring of at least one " thin ribbon shaped " is set, during assembling, in the edge section of its conical surface with special-purpose squeezing unit, with exert pressure the negative and positive seal ring is matched, the import and export of filter membrane and dividing plate are sealed up.At this moment, the groove of the conical surface of negative and positive seal ring two end part inner side surface and dividing plate import and export both sides is domatic to fit substantially, because the effect of the ring of " thin ribbon shaped " protrusion garden on its conical surface, just the import and export with filter membrane and dividing plate seal up.Around dividing plate, the sealing of dividing plate and film is to be fixed on two liners in the dividing plate peripheral groove film and dividing plate are compressed sealing by means of inlaying.See U. S. Patent NO.4,165,082.The dull and stereotyped filter seal arrangement of this structure, the requirement on machining accuracy of negative and positive seal ring and dividing plate is very high, and the negative and positive seal ring can only be disposable use.And when the assembling filter, need special-purpose extruding assembling device the negative and positive seal ring is carried out press fit, therefore, seal arrangement cost height, loading and unloading inconvenience.
For overcoming the deficiencies in the prior art, design and manufacture a kind of process simple, loading and unloading easily, cost is low and the dull and stereotyped filter seal arrangement that can be repeatedly used, the utility model has carried out effective improvement to existing negative and positive seal ring, the dividing plate import and export mix.Facts have proved that the utility model is rational in infrastructure, can satisfy every requirement of filter sealing technique, overcome deficiency of the prior art preferably, concrete scheme is as follows:
See accompanying drawing of the present utility model:
The dull and stereotyped filter schematic flow sheet of the thin fluid layer of Fig. 1
Wherein: 1,2 end envelope corrosion resistant plate
3 filter dividing plates
4 filter membranes
5 dividing plate collecting pipes
6 collect the liquid house steward
Fig. 2 filter dividing plate schematic representation
Wherein: 7 filter dividing plates are imported and exported
8 filter dividing plate rubber washers
Fig. 3 negative and positive thread seal circle assembling section
Wherein: 9 filter dividing plates are imported and exported step
10 dividing plates are imported and exported groove
11 diaphragm body planes
12 filter membranes
13 O type rubber seal
14 external screw thread seal rings
15 external screw thread seal ring fastener holes
16 female thread seal rings
17 female thread seal ring fastener holes
Fig. 4 dividing plate import and export mix sectional drawing
Wherein: the α dividing plate is imported and exported groove angle
The fastening assembling section of Fig. 5 negative and positive thread seal circle
Wherein: the fastening prominent pin of 18 fastener bases
19 screw the fastening prominent pin of fastening loam cake
20 fastener bases
The fastening loam cake of 21 rotations
The dividing plate of flat board (one or a few blocks) filter that is formed by negative and positive sealing ring and the dividing plate import and export mix and the sealing device between the film, it is characterized in that, see Fig. 3, described negative and positive sealing ring is made of negative and positive thread seal circle (16) and (14), dividing plate is imported and exported the step (9) that (7) arrange the positive and negative symmetry, at step (9) dividing plate is set between diaphragm body plane (11) and imports and exports groove (10), rubber seal adopts O type rubber seal (13), O type rubber seal (13) places on the import and export step (9) of filter dividing plate, filter membrane (12) lies against on dividing plate (11) and the O type rubber seal (13), during assembling, see Fig. 5, with pack into the import and export (7) of dividing plate of negative and positive thread seal circle (16) and (14), the prominent pin (19) of fastener on the prominent pin (18) of fastener on the fastening seat (20) of fastener and the fastening loam cake of rotation (21) is embedded respectively on the negative and positive thread seal circle fastener hole (17) and (15) of negative and positive thread seal circle (16) and (14), rotate fastening loam cake (21), it is screwed, will filter mould (12) by the self-tightening power of screw thread and compress with dividing plate (11).
The size of negative and positive thread seal circle is to determine according to the size of dividing plate, sees Fig. 3, is example with the external screw thread seal ring, can adopt following dimensional range, wherein:
External screw thread seal ring largest end face diameter a=30～60 millimeters,
External screw thread seal ring largest end face thickness e=1～2 millimeter,
External screw thread ring inner hole diameter c=12～30 millimeters,
External screw thread seal ring helical thread portion end face diameter d=15～33 millimeters,
External screw thread seal ring thickness b=8～10 millimeters.
In the utility model, the material of negative and positive thread seal circle can be selected suitable metallic material for use according to the needs of filter medium and filtrate, as stainless steel, alloyed steel or high-molecular organic material, make as polysulfones, PPO, polyamide, ABS etc.
In the utility model, the sealing between filter membrane and the dividing plate mainly is by the self-tightening power and the O type rubber seal of negative and positive thread seal circle it to be pushed down.Therefore, the screw thread on the seal ring adopts fine thread more suitable than regular screw threads, because the self-tightening power of fine thread is bigger.The utility model adopts O type rubber seal, can make film and negative and positive thread seal circle and dividing plate just can seal better under smaller fastening force, and quick and labour-saving at fit on.
The dividing plate import and export mix of the present invention adopts ledge structure, the positive and negative symmetry, its effect is to make the exterior edge face of the negative and positive thread seal circle after the assembling not exceed the main body plane of dividing plate and film, therefore, the height of dividing plate import and export step is reasonable in design.The step of the import and export of dividing plate is provided with groove between the diaphragm body plane; purpose is to make filter membrane in the assembling bending that the time can not meet at right angles; but downwards level and smooth, can prevent the filter membrane breakage like this, play the protection filter membrane.Its inclination alpha of importing and exporting groove is generally got 10～45 ° and is advisable, and sees Fig. 4.
In addition, filter seal arrangement of the present utility model, the sealing between its dividing plate and the dividing plate are to adopt rubber ring seal, and the thickness of rubber washer is the 1.0-2.5 millimeter, see Fig. 2, wherein (8) are the rubber washers between dividing plate and the dividing plate.
After the dividing plate assembling, just form the runner gap that a sectional area width has only the 1.0-2.5 millimeter between the two-layer dividing plate, this runner is owing to very thin, so be referred to as thin fluid layer.Like this, liquid is under same flow, and the flow velocity of fluid in runner is more faster than flow rate of fluid in the filter of wide runner.To preventing that " concentration polarization " played good effect.
Assembling and sealing condition method of inspection about negative and positive thread seal circle are as follows: see Fig. 3, at first O type rubber seal is placed on the step (9) of import and export (7) of filter dividing plate, also can be fixed thereon with sticking platform agent, the polyethylene film that size by dividing plate is cut lies in dividing plate (11) and goes up (annotating: because leak test can not allow water see through film, so select polyethylene film for use) then.Between dividing plate and polyethylene film, put into absorbent filter (slightly more a little bit smaller) than polyethylene film, at last negative and positive thread seal circle (16) and (14) dividing plate of packing into is imported and exported (7), screw baffle assembly with fastener, see Fig. 5.After baffle assembly assembling finishes, can be as required, with one group or contact or and connect composition composite diaphragm assembly and pack in the filter with the array baffle assembly.After assembling finishes, open water pump, allow water pass through filter, stablized 5 minutes, slowly close the filter outlet valve then, make hydraulic pressure rise to 6～7 kilograms per centimeter
2, stable operation is after 2 hours, and filter is taken in termination of pumping apart, takes out dividing plate, takes out filter paper, checks on the filter paper whether watermark is arranged.In kind test repeatedly, filter paper does not all have watermark as a result.
Thin fluid layer filter sealing device structure of the present invention is reasonable, processing is simple, assembling easily, cost is low, can be repeatedly used, can be widely used on the plate filter device in the industries such as chemical industry, medicine, food, beverage, three wastes processing.
Be embodiments of the invention below, be used for without stint explanation the present invention.Used filter is by assembling with the pressure testing check about the assembling of negative and positive thread seal circle and sealing condition method of inspection in the utility model specification among the embodiment.
The filtration of embodiment's 1 wax gourd juice
Material to be filtered: the muddy wax gourd juice stoste of dense thin rice gruel shape
Filter membrane: 0.2 μ m micro-filtration membrane, 0.05 meter of individual membrane area
2
The seal ring size: see Fig. 3, the a=51.5 millimeter, the b=10 millimeter,
The c=24.5 millimeter, the d=28 millimeter,
The e=2 millimeter.
Operation pressure: 1.5 kilograms per centimeter
2
Operating temperature: 17 ℃.
Filter working time: 8 hours.
Under these conditions, use " dull and stereotyped filter dividing plate of thin fluid layer and film phonograph seal device " of the present utility model that the wax gourd juice stoste of dense thin rice gruel shape muddiness is filtered, after filtration, obtain limpid, transparent, as not have precipitation filtrate.Deposited two months, still limpid transparent, do not have precipitation and occur.By analysis, every physical and chemical index and the nutritional labeling technological requirement that is combined.
The foregoing description 1 proves absolutely the reliability of dividing plate of the present utility model and film phonograph seal device.The employing molecular cut off is 67000 polysulphone super-filter membrane, adopts above-mentioned condition that the wax gourd juice stoste of dense thin rice gruel shape is filtered, and its result is identical.
Embodiment's 2 starch wastewaters are handled
Pending waste liquid: muddy fermentation starch wastewater
Filter membrane: with embodiment 1
Seal ring size: with embodiment 1
Operation pressure: 3 kilograms per centimeter
2
Operating temperature: 25 ℃
Flow: 10 ml/min/0.05 meter
2Film
Under described operational condition, use " dull and stereotyped filter dividing plate of thin fluid layer and film phonograph seal device " of the present utility model to filter the fermentation starch wastewater of above-mentioned muddiness, after filter, penetrants is very transparent, do not have precipitation, outward appearance is the same with tap water.Present embodiment 2 further proves, the reliability of dividing plate of the present utility model and film phonograph seal device.
Filtration before embodiment's 3 beer fillings
Liquid to be filtered: the beer before the can
Filter membrane: 0.65 μ m micro-filtration membrane
The seal ring size: see Fig. 3, the a=30 millimeter, the b=6.5 millimeter,
The c=13 millimeter, the d=17.5 millimeter,
The e=1.2 millimeter
Operation pressure: 1.5 kilograms per centimeter
2
Operating temperature: 4 ℃
Under the aforesaid operations condition, use " dull and stereotyped filter dividing plate of thin fluid layer and film phonograph seal device " of the present utility model that beer is carried out filtration before the can, getting the connection sample of filtrate analyzes, the result, the complete filtering of yeast, all other physical and chemical indexs requirement that is combined.
Claims (1)
1. the dividing plate of flat board (one or a few blocks) filter of forming by the negative and positive seal ring and the dividing plate import and export mix and the seal arrangement of film, it is characterized in that, described negative and positive seal ring is made of negative and positive thread seal circle, the dividing plate import and export mix adopts the bench port of positive and negative symmetry, between the diaphragm body plane, groove is set at step, O type rubber seal places on the step of filter dividing plate import and export, filter membrane lies against on dividing plate and the O type rubber seal, the negative and positive thread seal circle dividing plate of packing into is imported and exported, with securing means it is screwed, film and dividing plate are compressed by its screw thread self-tightening power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89202188 CN2044194U (en) | 1989-03-03 | 1989-03-03 | Seal device for thin flow layer plate filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89202188 CN2044194U (en) | 1989-03-03 | 1989-03-03 | Seal device for thin flow layer plate filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2044194U true CN2044194U (en) | 1989-09-13 |
Family
ID=4859973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89202188 Withdrawn CN2044194U (en) | 1989-03-03 | 1989-03-03 | Seal device for thin flow layer plate filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2044194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849531A (en) * | 2019-10-18 | 2020-02-28 | 成都凯天电子股份有限公司 | Method for observing pressure gauge by directionally locking pipeline system |
-
1989
- 1989-03-03 CN CN 89202188 patent/CN2044194U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849531A (en) * | 2019-10-18 | 2020-02-28 | 成都凯天电子股份有限公司 | Method for observing pressure gauge by directionally locking pipeline system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |